#include <stdio.h>
struct Staff{
    int staffId;
    char gender;
    struct Manager{
        int age;
    }mg;
};//员工里面 可能还有经理
int main(){
    struct Staff zhangsan;
    zhangsan.staffId=1101;
    zhangsan.gender='M';
    printf("%d - %c",zhangsan.staffId,zhangsan.gender);
    struct Staff lisi={1102,'F',40};
    printf("%d - %c - %d",lisi.staffId,lisi.gender,lisi.mg);
    
    printf("%llu",sizeof(struct Staff));//12
    //请问 结构体占用了几个字节
    return 0;
}